玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q1 (20)4.3532.2246.461.57-8.72-18.6520.94-24.3-31.7257.929.2622.8940.5023.7823.0638.36-19.98-14.53
23Q4 (19)3.2968.72-27.851.728.18-15.6927.66-40.5938.7253.01-7.4918.8832.7212.13-7.3647.94-35.8164.18
23Q3 (18)1.952.09-48.821.59-0.63-4.2246.56-2.4394.7357.300.884.7129.18-8.76-21.7374.682.9480.6
23Q2 (17)1.91-35.69-51.031.60-17.111.8947.7255.59104.7256.8020.52-11.0431.98-2.832.0172.5561.6529.99
23Q1 (16)2.97-34.87-17.271.93-5.3998.9730.6753.8120.8447.135.7-49.6832.91-6.82-18.2444.8853.7-43.04
22Q4 (15)4.5619.694.832.0422.8965.8519.94-16.6-4.6444.59-18.51-39.4835.32-5.2634.4529.20-29.38-57.26
22Q3 (14)3.81-2.3123.71.6616.0829.6923.912.57-19.054.72-14.3-23.337.2818.9271.1741.35-25.91-47.71
22Q2 (13)3.908.641.561.4347.42-18.2923.31-8.16-1.7363.85-31.8322.5531.35-22.11103.1855.81-29.17-7.58
22Q1 (12)3.59-17.47-15.730.97-21.14-35.7625.3821.3818.7193.6627.1255.2740.2553.2255.7178.7915.3241.07
21Q4 (11)4.3541.23-1.581.23-3.91-33.8720.91-29.171.5573.683.2850.5826.2720.62-3.6768.32-13.6161.7
21Q3 (10)3.08-19.791.321.28-26.86-12.9329.5224.45-1.371.3436.9315.6421.7841.15-42.879.0830.9547.73
21Q2 (9)3.84-9.86-17.61.7515.89-2.7823.7210.9421.4552.10-13.633.0915.43-40.31-47.6460.398.1348.74
21Q1 (8)4.26-3.6227.161.51-18.822.0321.383.84-21.3160.3223.28-2.0525.85-5.21-27.3955.8532.195.06
20Q4 (7)4.4245.392.081.8626.53-23.7720.59-31.16-2.0548.93-20.6831.2127.27-28.39-9.3442.25-21.0749.61
20Q3 (6)3.04-34.762.361.47-18.33-15.0329.9153.15-2.5461.6922.0617.4838.0829.22-11.9553.5331.8534.03
20Q2 (5)4.6639.121.351.8021.62-26.8319.53-28.12-17.4950.54-17.9336.7829.47-17.2224.0840.60-23.6310.15
20Q1 (4)3.35-22.630.01.48-39.340.027.1729.260.061.5865.140.035.6018.350.053.1688.240.0
19Q4 (3)4.3345.790.02.4441.040.021.02-31.510.037.29-28.980.030.08-30.450.028.24-29.290.0
19Q3 (2)2.97-22.660.01.73-29.670.030.6929.660.052.5142.110.043.2582.110.039.948.360.0
19Q2 (1)3.840.00.02.460.00.023.670.00.036.950.00.023.750.00.036.860.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)16.05-9.736.620.1522.7410.7655.10-0.2538.8227.8239.02-14.07
2022 (9)17.78-1.556.6121.7320.531.5855.24-17.8530.37-4.3845.41-18.46
2021 (8)18.067.445.43-41.0420.21-6.9167.2469.6731.7611.6755.6969.27
2020 (7)16.8121.029.21-5.3421.71-17.3939.635.628.4423.6532.90-19.36
2019 (6)13.89-29.819.73-34.2626.2842.5237.5352.1923.005.2240.8092.09
2018 (5)19.7942.8914.8032.0218.44-30.0524.66-24.2421.86-49.7221.2437.74
2017 (4)13.85-4.9411.2151.0826.365.2332.55-33.7943.48-16.3415.42-30.7
2016 (3)14.5733.927.426.1525.05-25.3149.16-5.8451.97-52.0822.250
2015 (2)10.88263.886.99-95.1233.54-72.5652.211947.45108.45-14.09-22.710
2014 (1)2.990143.300122.2502.550126.230-1.430

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